April Oursler Armstrong Books

Cry Babel

By April Oursler Armstrong

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The Greatest Faith Ever Known

By Fulton Oursler

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This sequel to The Greatest Story Ever Told follows the turbulent adventures of the apostles Paul, Peter, and James after the crucifixion of Christ in their struggle to spread the Good News to the...

The Greatest Faith Ever Known

By Fulton Oursler

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The Tales Christ Told

By April Armstrong, April Oursler Armstrong

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The third market.

By April Armstrong

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Greatest Faith Ever Known

By Fulton Oursler, April Oursler Armstrong

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.